Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual ator de voz japonês teve o Mecha de avião?
 ###Tabelas: CREATE TABLE 2006_spring_season (2006_spring_season_id AUTO_INCREMENT PRIMARY KEY, Japanese Title VARCHAR, Romaji Title VARCHAR, TV Station VARCHAR, Episodes INT, Average Ratings VARCHAR) CREATE TABLE construction_and_seating_capacity (construction_and_seating_capacity_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Team VARCHAR, Games INT, Total INT, Avg. INT) CREATE TABLE baseball (baseball_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Season VARCHAR, Regular Season INT, Tournament INT, Total INT) CREATE TABLE characters (characters_id AUTO_INCREMENT PRIMARY KEY, Gatchaman VARCHAR, Battle of the Planets VARCHAR, G-Force VARCHAR, Eagle Riders VARCHAR, OVA (Harmony Gold Dub) VARCHAR, Rank VARCHAR, Bird Uniform VARCHAR, Weapon VARCHAR, Mecha VARCHAR, Japanese voice actor VARCHAR, Voice actor (BOTP) VARCHAR, Voice actor (G-Force) VARCHAR, Voice actor (Harmony Gold OVA Dub) VARCHAR, Voice actor (Eagle Riders) VARCHAR, Voice actor (ADV TV/Sentai OVA dub) VARCHAR) CREATE TABLE 1987_series (1987_series_id AUTO_INCREMENT PRIMARY KEY, Position VARCHAR, Game 1 VARCHAR, Game 2 VARCHAR, Game 3 VARCHAR, Game 4 VARCHAR)  
SELECT Japanese voice actor FROM characters WHERE Mecha = airplane